customBuilds: add digitalOcean

doc/SUMMARY.md

@@ -24,6 +24,7 @@
   - [up](./flk/up.md)
   - [update](./flk/update.md)
   - [get](./flk/get.md)
+  - [doi](./flk/doi.md)
   - [iso](./flk/iso.md)
   - [install](./flk/install.md)
   - [home](./flk/home.md)

doc/flk/doi.md

@@ -0,0 +1,10 @@
+# DigitalOcean
+
+Now you can [create a droplet](https://cloud.digitalocean.com/droplets/new) using your custom image.
+
+Making a DigitalOcean compatible image for `hosts/NixOS.nix` is as simple as:
+```sh
+flk doi NixOS
+```
+
+This works for any file matching `hosts/*.nix` excluding `default.nix`.

modules/customBuilds.nix

@@ -25,5 +25,9 @@ in
         }
       ];
     })).config.home-manager.users;
+
+    digitalOcean = (mkBuild ({ modulesPath, ... }: {
+      imports = [ "${modulesPath}/virtualisation/digital-ocean-image.nix" ];
+    })).config.system.build.digitalOceanImage;
   };
 }